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His name will be familiar to the Green Army because he played for AFC Wimbledon when they beat the Pilgrims 2-0 in the League Two Play-Off Final at Wembley in May 2016.

There has been no word from Argyle on the severity of the injury to McCormick and whether it is related to his previous ankle problem.

Incredibly, Roos will be Argyle’s fourth different goalkeeper in the last four matches.

Remi Matthews, who had been on an emergency loan to the Pilgrims from Norwich City, suffered an ankle injury in the 1-0 defeat away to Portsmouth on November 25.

With McCormick, Robbert Te Loeke and Kyle Letheren all out injured at the time, Adams signed 19-year-old Will Mannion from Hull City to play in the Checkatrade Trophy tie away to Yeovil Town three nights later.

McCormick then declared himself fit for Argyle’s cup tie at Bradford which led to Mannion making an immediate return to Hull.

Now Adams has had to turn to Roos after McCormick’s latest setback, which is far from ideal preparation for the visit of Gillingham.

At least Roos has had experience of being on an emergency loan already this season.

He signed for League Two club Port Vale in mid-September after they were left short of experience goalkeeping cover by injury.

Roos went on to make nine appearances for the Valiants, but picked up a knee injury in a 1-0 win away to Exeter City on October 21 and that ended his time with them.